Jeweler Zack Stone of the U.K. retailer Steven Stone explained,“Pippa Middleton’s engagement ring features an Asscher cut diamond, which is a rare choice. Interestingly, this type of cut was ...

DeNatale specializes in three-stone rings, a fine selection of square emerald cuts, Asscher cuts, and cushion-cut diamonds. You'll find some pricey things here, but the diamond engagement rings ...